MODULE 8: SANITARY DRAINAGE SYSTEM

All the piping within public/private premises which conveys sewage, rainwater, or other liquid wastes to a point of disposal

Installed by the plumber to remove wastewater and waterborne wastes from plumbing fixtures and appliances, and to provide air circulation within the drainage piping

General term used for any vertical line of soil, waste, or vent piping

Conveys discharge containing fecal matter to building drain/building sewer

Conveys discharge of water closets to building drain/building sewer

Smaller than soil pipe and conveys only liquid waste free of fecal matter

Any part of the piping system other than the main, riser, or stack

Also called house drain; part of the lowest horizontal piping of a plumbing system which receives the discharge from soil, waste, and other drainage pipes inside a building and conveys it to the building sewer/house sewer

Any liquid waste containing animal or vegetable matter in suspension or solution

Special type of fitting/fittings used in the drainage system

Terminating at a developed length of 2 feet or more by means of a plug, cap, or other closed fitting

Any pipe that carries wastewater or waterborne wastes in a building drainage system

For every ___ in total developed length of piping, a cleanout is provided

Cleanouts may be omitted on a horizontal drain less than ___ in length unless such line is serving sinks or urinals

Provides a liquid seal to prevent the emission of sewer gases without materially affecting the flow of sewage or wastewater through it

Vertical distance between the top dip and the crown weir of a trap; water in the trap between the top dip and the crown weir

Lowest portion of the inside top surface of the channel through the trap

Highest point of the bottom surface of the crown

(Type of trap seal) 2 inches

(type of trap seal) 4 inches deep